/*

* Copyright (c) 2002-2007 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Refresh command handler

*

*/

#ifndef CREFRESHHANDLER_H

#define CREFRESHHANDLER_H

//  INCLUDES

#include <etelsat.h>

#include "SatSTypes.h"

#include "CSatCommandHandler.h"

// FORWARD DECLARATION

class MSatUtils;

// CLASS DECLARATION

/**

*  Command handler for Refresh command.

*

*  @lib RefreshCmd.lib

*  @since Series 60 3.0

*/

class CRefreshHandler : public CSatCommandHandler

    {

    public:     // Constructors and destructor

        /**

        * Two-phased constructor.

        * @param aUtils SAT Utils interface

        */

        static CRefreshHandler* NewL( MSatUtils* aUtils );

        /**

        * Destructor.

        */

        virtual ~CRefreshHandler();

    public:     // Functions from base classes

        /**

        * From MSatEventObserver. Overrides the default implementation.

        * @param aEvent An event that is occured.

        */

        void Event( TInt aEvent );

    protected:  // Functions from base classes

        /**

        * From CActive Cancels the usat request.

        */

        void DoCancel();

        /**

        * From CCommandHandler Requests the command notification.

        * @param aStatus Request status

        */

        void IssueUSATRequest( TRequestStatus& aStatus );

        /**

        * From CSatCommandHandler Precheck before executing the command.

        * @return TBool indicating command is currently allowed.

        */

        TBool CommandAllowed();

        /**

        * From CSatCommandHandler Need for ui session.

        * @return TBool indicating need of ui session.

        */

        TBool NeedUiSession();

        /**

        * From CSatCommandHandler Called when USAT API notifies that command.

        */

        void HandleCommand();

        /**

        * From CSatCommandHandler. Indicates the failure of launching ui client.

        */

        void UiLaunchFailed();

    private:

        /**

        * C++ default constructor.

        */

        CRefreshHandler();

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

    private:    // New functions

        /**

        * Notifies the refresh clients about refresh cancel.

        */

        void NotifyRefreshClientsCancel();

        /**

        * Completes refresh when all clients has completed.

        */

        void CompleteRefresh();

    private:    // Data

        // Refresh command data.

        RSat::TRefreshV2 iRefreshData;

        // Refresh command package.

        RSat::TRefreshV2Pckg iRefreshPckg;

        // Response from client

        RSat::TRefreshRspV1 iRefreshRsp;

        // Response package.

        RSat::TRefreshRspV1Pckg iRefreshRspPckg;

        // Count of refresh clients notified refresh but not yet answered.

        TInt iRefreshNotifyClientCount;

        // True whether any client has indicated additional EF read.

        TBool iAdditionalEFRead;

        // Indicates SimReset type refresh is executing.

        TBool iSimResetExecuting;

    };

#endif      // CREFRESHHANDLER_H

// End of File